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Finding the Fourth Proportional to 360,402.84, 496,783.35 and 283,800.42

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Solution

The fourth proportional to 360,402.84, 496,783.35 and 283,800.42 is: 391,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,402.84 : 496,783.35 = 283,800.42 : x
  2. Step 2: Convert to fraction form
    360,402.84/496,783.35 = 283,800.42/x
  3. Step 3: Cross multiply
    360,402.84x = 496,783.35 × 283,800.42
  4. Step 4: Simplify right side
    360,402.84x = 140,987,323,379.01
  5. Step 5: Solve for x
    x = 140,987,323,379.01/360,402.84
  6. Step 6: Final answer
    x = 391,193.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.